#include <linux/module.h>
#include <linux/errno.h>
#include <linux/socket.h>
#include <linux/udp.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/in6.h>
#include <net/udp.h>
#include <net/udp_tunnel.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
#include <net/ip6_tunnel.h>
#include <net/ip6_checksum.h>

int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg,
		     struct socket **sockp)
{
	struct sockaddr_in6 udp6_addr;
	int err;
	struct socket *sock = NULL;

	err = sock_create_kern(net, AF_INET6, SOCK_DGRAM, 0, &sock);
	if (err < 0)
		goto error;

	if (cfg->ipv6_v6only) {
		int val = 1;

		err = kernel_setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
					(char *) &val, sizeof(val));
		if (err < 0)
			goto error;
	}

	udp6_addr.sin6_family = AF_INET6;
	memcpy(&udp6_addr.sin6_addr, &cfg->local_ip6,
	       sizeof(udp6_addr.sin6_addr));
	udp6_addr.sin6_port = cfg->local_udp_port;
	err = kernel_bind(sock, (struct sockaddr *)&udp6_addr,
			  sizeof(udp6_addr));
	if (err < 0)
		goto error;

	if (cfg->peer_udp_port) {
		udp6_addr.sin6_family = AF_INET6;
		memcpy(&udp6_addr.sin6_addr, &cfg->peer_ip6,
		       sizeof(udp6_addr.sin6_addr));
		udp6_addr.sin6_port = cfg->peer_udp_port;
		err = kernel_connect(sock,
				     (struct sockaddr *)&udp6_addr,
				     sizeof(udp6_addr), 0);
	}
	if (err < 0)
		goto error;

	udp_set_no_check6_tx(sock->sk, !cfg->use_udp6_tx_checksums);
	udp_set_no_check6_rx(sock->sk, !cfg->use_udp6_rx_checksums);

	*sockp = sock;
	return 0;

error:
	if (sock) {
		kernel_sock_shutdown(sock, SHUT_RDWR);
		sock_release(sock);
	}
	*sockp = NULL;
	return err;
}
EXPORT_SYMBOL_GPL(udp_sock_create6);

int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk,
			 struct sk_buff *skb,
			 struct net_device *dev, struct in6_addr *saddr,
			 struct in6_addr *daddr,
			 __u8 prio, __u8 ttl, __be32 label,
			 __be16 src_port, __be16 dst_port, bool nocheck)
{
	struct udphdr *uh;
	struct ipv6hdr *ip6h;

	__skb_push(skb, sizeof(*uh));
	skb_reset_transport_header(skb);
	uh = udp_hdr(skb);

	uh->dest = dst_port;
	uh->source = src_port;

	uh->len = htons(skb->len);

	skb_dst_set(skb, dst);

	udp6_set_csum(nocheck, skb, saddr, daddr, skb->len);

	__skb_push(skb, sizeof(*ip6h));
	skb_reset_network_header(skb);
	ip6h		  = ipv6_hdr(skb);
	ip6_flow_hdr(ip6h, prio, label);
	ip6h->payload_len = htons(skb->len);
	ip6h->nexthdr     = IPPROTO_UDP;
	ip6h->hop_limit   = ttl;
	ip6h->daddr	  = *daddr;
	ip6h->saddr	  = *saddr;

	ip6tunnel_xmit(sk, skb, dev);
	return 0;
}
EXPORT_SYMBOL_GPL(udp_tunnel6_xmit_skb);

MODULE_LICENSE("GPL");
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=05e0be7c900797e9164976a6014d534ce3035909'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?id=05e0be7c900797e9164976a6014d534ce3035909'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/sched?id=05e0be7c900797e9164976a6014d534ce3035909'>sched</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/sched/act_meta_skbtcindex.c?id=05e0be7c900797e9164976a6014d534ce3035909'>act_meta_skbtcindex.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='05e0be7c900797e9164976a6014d534ce3035909'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Christophe JAILLET &lt;christophe.jaillet@wanadoo.fr&gt;</td><td class='right'>2017-01-31 00:47:30 -0800</td></tr>
<tr><th>committer</th><td>Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;</td><td class='right'>2017-01-31 00:51:06 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sched/act_meta_skbtcindex.c?id=05e0be7c900797e9164976a6014d534ce3035909'>05e0be7c900797e9164976a6014d534ce3035909</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/sched/act_meta_skbtcindex.c?id=05e0be7c900797e9164976a6014d534ce3035909'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=05e0be7c900797e9164976a6014d534ce3035909'>6064ddf732b21c686c958cb9da73f6eae6de5a27</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/sched/act_meta_skbtcindex.c?id=05e0be7c900797e9164976a6014d534ce3035909'>net/sched/act_meta_skbtcindex.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sched/act_meta_skbtcindex.c?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/sched/act_meta_skbtcindex.c?id=05e0be7c900797e9164976a6014d534ce3035909&amp;id2=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>diff</a>)</td></tr></table>
<div class='commit-subject'>Input: synaptics-rmi4 - fix reversed conditions in enable/disable_irq_wake</div><div class='commit-msg'>These tests are reversed.  A warning should be displayed if an error is
returned, not on success.

Signed-off-by: Christophe JAILLET &lt;christophe.jaillet@wanadoo.fr&gt;
Reviewed-by: Benjamin Tissoires &lt;benjamin.tissoires@redhat.com&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=05e0be7c900797e9164976a6014d534ce3035909'>Diffstat</a> (limited to 'net/sched/act_meta_skbtcindex.c')</div><table summary='diffstat' class='diffstat'>